diff options
Diffstat (limited to 'tools/dtoc/fdt_util.py')
-rw-r--r-- | tools/dtoc/fdt_util.py | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/tools/dtoc/fdt_util.py b/tools/dtoc/fdt_util.py index b9dfae8d0e..bec6ee947a 100644 --- a/tools/dtoc/fdt_util.py +++ b/tools/dtoc/fdt_util.py @@ -29,6 +29,20 @@ def fdt32_to_cpu(val): val = val.encode('raw_unicode_escape') return struct.unpack('>I', val)[0] +def fdt_cells_to_cpu(val, cells): + """Convert one or two cells to a long integer + + Args: + Value to convert (array of one or more 4-character strings) + + Return: + A native-endian long value + """ + out = long(fdt32_to_cpu(val[0])) + if cells == 2: + out = out << 32 | fdt32_to_cpu(val[1]) + return out + def EnsureCompiled(fname): """Compile an fdt .dts source file into a .dtb binary blob if needed. |